Interactivate: Investigation Four: Symmetry and Algebra

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Connected Mathematics Grade Eight

Kaleidoscopes, Hubcaps, and Mirrors

Investigation Four: Symmetry and Algebra

Calculating...

Lesson • Activity • Discussion • Worksheet • Show All

Lesson (...)

Activity (...)

Activity: Build your own polygon and transform it in the Cartesian coordinate system. Experiment with reflections across any line, revolving around any line (which yields a 3-D image), rotations about any point, and translations in any direction.

Transmographer

Activity: Explore the world of translations, reflections, and rotations in the Cartesian coordinate system by transforming squares, triangles and parallelograms. Parameters: Shape, x or y translation, x or y reflection, angle of rotation.

Transmographer 2

Activity: Build your own polygon and transform it in the Cartesian coordinate system. Experiment with reflections across any line, rotations about any point, and translations in any direction. Parameters: Shape, x or y translation, x or y reflection, angle of rotation

Discussion (...)

Worksheet (...)

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